Samsung U700 Unlocked Phone with 3.2 MP Camera, International 3G, MP3/Video Player, and MicroSD Slot--International Version with No Warranty (Metallic Silver) This unlocked cell phone is compatible with GSM carriers like AT&T and T-Mobile. Not all carrier features may be supported. It will not work with CDMA carriers like Verizon Wireless, Alltel and Sprint. Tri-band GSM cell phone compatible with 900/1800/1900 frequencies and International 3G compatibility via 2100 UMTS/HSDPA plus GPRS/EDGE capabilities Slider phone with blend of soft curves, multi-faceted bevel cuts; 3.2-megapixel camera with LED flash; digital audio player Bluetooth stereo music; MicroSD memory expansion; access to personal email; organizer; document viewer Up to 5 hours of talk time or 270 hours of standby time